Function set_parent

include/behaviortree_cpp/contrib/json.hpp:20055–20091

    }

    reference set_parent(reference j, std::size_t old_capacity = static_cast<std::size_t>(-1))
    {
#if JSON_DIAGNOSTICS
        if (old_capacity != static_cast<std::size_t>(-1))
        {
            // see https://github.com/nlohmann/json/issues/2838
            JSON_ASSERT(type() == value_t::array);
            if (JSON_HEDLEY_UNLIKELY(m_data.m_value.array->capacity() != old_capacity))
            {
                // capacity has changed: update all parents
                set_parents();
                return j;
            }
        }

        // ordered_json uses a vector internally, so pointers could have
        // been invalidated; see https://github.com/nlohmann/json/issues/2962
#ifdef JSON_HEDLEY_MSVC_VERSION
#pragma warning(push )
#pragma warning(disable : 4127) // ignore warning to replace if with if constexpr
#endif
        if (detail::is_ordered_map<object_t>::value)
        {
            set_parents();
            return j;
        }
#ifdef JSON_HEDLEY_MSVC_VERSION
#pragma warning( pop )
#endif

        j.m_parent = this;
#else
        static_cast<void>(j);
        static_cast<void>(old_capacity);
#endif
        return j;
    }

  public:
    //////////////////////////